11231313252 has 12 divisors (see below), whose sum is σ = 26206397616. Its totient is φ = 3743771080.

The previous prime is 11231313187. The next prime is 11231313257. The reversal of 11231313252 is 25231313211.

It is a happy number.

11231313252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11231313252² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231313257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467971374 + ... + 467971397.

It is an arithmetic number, because the mean of its divisors is an integer number (2183866468).

Almost surely, 2^11231313252 is an apocalyptic number.

11231313252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11231313252 is an abundant number, since it is smaller than the sum of its proper divisors (14975084364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11231313252 is a wasteful number, since it uses less digits than its factorization.

11231313252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935942778 (or 935942776 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

Adding to 11231313252 its reverse (25231313211), we get a palindrome (36462626463).

The spelling of 11231313252 in words is "eleven billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred fifty-two".